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  • #1

    Major f body peoples w/n

    Anything in particular to look for to determine if I do or do not have an LS6 block? I know the shade of the metal cast was a lil different and part number different......but what are the shades of the block? grey/ dark grey/ silver/grey I dunno

    Is there anyway to find out this info??? maybe an RPO code

    AMF RACING: Friends don't let friends drive junk

    01 black ss #0966
    lou's short stick, slp lid and cold air, smooth bellow, centerforce, loudmouth, 3 in. y pipe, flowtech long tubes, BMR STB, SLP 4.10's, polished zr-1s, MSD wires, T-6 plugs, and upcoming goodies....Tee-Hee
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  • #2
    I thought all the 2001 and 2002 LS1 F-bodies had the LS6 block...
    Joe K.
    '11 BMW 328i
    '10 Matrix S AWD
    Previously: '89 Plymouth Sundance Turbo, '98 Camaro V6, '96 Camaro Z28, '99 Camaro Z28, '04 Grand Prix GTP

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    • #3
      Check the casting pad, located on the back of the left hand deck (driver's side), above the transmission flange. a cast number of 12561168 will verify an LS6 block cast in Nemak Mexico. This is duller in look than the Canadian LS1 block. Somewhere between 10 and 25% of the last two production years had the LS6 block.

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      • #4
        What are the differences between the two blocks? Advantages? Disadvantages?
        Tracy
        2002 C5 M6 Convertible
        1994 Z28 M6 Convertible
        Current Mods:
        SLP Ultra-Z functional ramair, SS Spoiler, STB, SFCs, Headers, Clutch, Bilstein Shocks, and TB Airfoil. 17x9 SS rims with Goodyear tires, 160F T-Stat, MSD Blaster Coil, Taylor wires, Hurst billet shifter, Borla catback with QTP e-cutout, Tuned PCM, 1LE Swaybars, 1LE driveshaft, ES bushings, White gauges, C5 front brakes, !CAGS, Bose/Soundstream audio, CST leather interior, synthetic fluids

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        • #5
          I think an easier way to tell is by looking at the passiside of the block above the water pump and below the face of the head, the LS1 block has a circular-shaped indentation, the LS6 block doesn't have this indentation
          Rhode Island Red *Lurker since 1997*

          2002 Firehawk #0035/1503 !Cags | !Air | !PCV | Airborn-coated Kooks LT's | Powerbond UD Pulley | Custom Cam | Ported Oil pump | LS2 timing chain | Comp 918's | Hardened push rods | LSS | BMR STB | SLP Bolt-on SFC's | drill mod |TB Bypass | Ported TB | Custom Dyno tuning | 160* thermostat | LS7 Clutch
          Ordered: May 1, 2001 Built: June 1, 2001 Delivered August 25, 2001
          pics and info

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